Doc:Tea/Others
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The guava tea, or leaves of guava tree ([[Species:Psidium|Psidium guajava]]), is said to reduce the blood glucose level through its polyphenols. In Japan, it is officially recognized as [http://www.mhlw.go.jp/english/topics/foodsafety/fhc/02.html Foods for Specified Health Use] (FOSHU), but no refereed journal article is found in Medline about its function. | The guava tea, or leaves of guava tree ([[Species:Psidium|Psidium guajava]]), is said to reduce the blood glucose level through its polyphenols. In Japan, it is officially recognized as [http://www.mhlw.go.jp/english/topics/foodsafety/fhc/02.html Foods for Specified Health Use] (FOSHU), but no refereed journal article is found in Medline about its function. | ||
− | Many commercial sites promote its anti-allergic (esp. pollen allergy) effect, but no effect was found in 2-week activity test using rats <ref>Matsuda K, Nishimura Y, Kurata N, Iwase M, Yasuhara H (2007) Effects of continuous ingestion of herbal teas on intestinal CYP3A in the rat. ''J Pharmacol Sci'' 103(2):214-21</ref>. | + | Many commercial sites promote its anti-allergic (esp. pollen allergy) effect, but no effect was found in 2-week activity test using rats <ref name="matsuda">Matsuda K, Nishimura Y, Kurata N, Iwase M, Yasuhara H (2007) Effects of continuous ingestion of herbal teas on intestinal CYP3A in the rat. ''J Pharmacol Sci'' 103(2):214-21</ref>. |
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グァバ ([[Species:Psidium|Psidium guajava]]) の葉を用いた茶。食後血糖値の上昇を抑えると言われ、特定保健用食品の関与成分として許可されています。しかし、文献データベースMedlineにおいて当該効果を示した英文査読文献は見つかりません。 | グァバ ([[Species:Psidium|Psidium guajava]]) の葉を用いた茶。食後血糖値の上昇を抑えると言われ、特定保健用食品の関与成分として許可されています。しかし、文献データベースMedlineにおいて当該効果を示した英文査読文献は見つかりません。 | ||
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抗アレルギー、抗花粉症用として飲用されるシジュウム茶はグァバ茶と同じフトモモ科の[[Species:Syzygium|シジュウム属]]から作られます。料理に使うクローブ(丁子)が[[CrudeDrug:Caryophylli_Flos|''Syzygium aromaticum'']]なので、クローブの葉と考えるのが適当でしょう。 効能はグァバ茶に類似すると考えられます。 | 抗アレルギー、抗花粉症用として飲用されるシジュウム茶はグァバ茶と同じフトモモ科の[[Species:Syzygium|シジュウム属]]から作られます。料理に使うクローブ(丁子)が[[CrudeDrug:Caryophylli_Flos|''Syzygium aromaticum'']]なので、クローブの葉と考えるのが適当でしょう。 効能はグァバ茶に類似すると考えられます。 | ||
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=={{Bilingual|マメ科の茶|Tea from family ''Fabaceae''}}== | =={{Bilingual|マメ科の茶|Tea from family ''Fabaceae''}}== | ||
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Rooibos tea is dried and oxidized leaves of [[Species:Aspalathus|Aspalathus linearis]]. | Rooibos tea is dried and oxidized leaves of [[Species:Aspalathus|Aspalathus linearis]]. | ||
− | It contains no caffeine or tannins. | + | It contains no caffeine or tannins, and no effect to drug metabolism is reported <ref name="matsuda"/>. |
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ルイボス茶とはマメ科[[Species:Aspalathus|Aspalathus linearis]]の葉を乾燥、酸化させたものです。 | ルイボス茶とはマメ科[[Species:Aspalathus|Aspalathus linearis]]の葉を乾燥、酸化させたものです。 | ||
− | + | カフェインやタンニンを含んでおらず、薬物代謝への影響も見られません。 | |
}} | }} | ||
− | + | <references/> | |
=={{Bilingual|ツバキ属の茶|Tea from genus ''Camellia''}}== | =={{Bilingual|ツバキ属の茶|Tea from genus ''Camellia''}}== |
Revision as of 17:08, 17 August 2010
Tea Top | Exotic teas | Production/Consumption | Health |
Contents |
Tea from genus Ilex
Ku-Ding Tea
In China and Japan, leaves of Ilex kudingcha C. J. Tseng, I. cornuta (Chinese holly), and I. latifolia Thunb. are used for the Ku-Ding Tea. Its extreme bitterness comes from triterpene saponins, mainly those derived from ursolic acid. A purified saponin fraction of Ilex pubescens root is known to exhibit anti-inflammatory and analgesic effects.[1] The effect of leaf extract is still unknown.
Mate Tea
In Brazil and Paraguay, leaves of Ilex paraguayensis or I. paraguensis or I. paraguariensis are used for Mate tea.[2] It is also called yerba mate and contains caffeine, caffeic acid and chlorogenic acids (in contrast to what is believed, no tannin is included [2]). The plant was first cultivated and became widespread by Jesuit missionaries after Spanish conquest.[3]
Yaupon, asi or Black Drink
Indians of the South-Eastern United States used leaves of Ilex cassine, I. vomitoria, and I. dahoon to brew a spiritual drink called Yaupon or black drink. The drink was believed to cause sweat and vomiting but its active ingredient is caffeine. In proper dilution, the drink was used as stimulant during the civil war in Southern North America.[2]
- ↑ Wang JR, Zhou H, Jiang ZH, Wong YF, Liu L (2008) In vivo anti-inflammatory and analgesic activities of a purified saponin fraction derived from the root of Ilex pubescens. Biol Pharm Bull 31(4):643-50
- ↑ 2.0 2.1 2.2 Martin H (1977) The history of Ilex with special reference to Australia. Australian Journal of Botany 25,655-673
- ↑ Herzfeld H (1920) Ilex paraguensis or la yerba mate. Pharm Era 53,353-354
Tea from family Myrtaceae
Guaba Tea
The guava tea, or leaves of guava tree (Psidium guajava), is said to reduce the blood glucose level through its polyphenols. In Japan, it is officially recognized as Foods for Specified Health Use (FOSHU), but no refereed journal article is found in Medline about its function. Many commercial sites promote its anti-allergic (esp. pollen allergy) effect, but no effect was found in 2-week activity test using rats [1].
Syzygium Tea
Syzygium Tea, which is sold for its anti-allergic effect, is made from genus Syzygium in Myrtaceae. Because the culinary herb 'Clove' is Syzygium aromaticum, you can consider this tea as 'Clove' tea.
Tea from family Fabaceae
Rooibos Tea
Rooibos tea is dried and oxidized leaves of Aspalathus linearis. It contains no caffeine or tannins, and no effect to drug metabolism is reported [1].
- ↑ 1.0 1.1 Matsuda K, Nishimura Y, Kurata N, Iwase M, Yasuhara H (2007) Effects of continuous ingestion of herbal teas on intestinal CYP3A in the rat. J Pharmacol Sci 103(2):214-21
Tea from genus Camellia
庶民の茶
茶の種子や花にはサポニン成分が含まれており、点てると泡を生じる。
播磨章一 「茶花の史的考察」より[1] | ||||||
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点て茶の名称 | 使用茶 | 塩 | 泡重視 | 茶筅 | 桶茶性 | 茶受け |
陰干し茶 (全国) | 枝葉花 | ○ | ○ | ○ | × | 穀類(椀内) |
タテ茶 (糸魚川) | 番茶、茶花 | ○ | ○ | ○ | ○ | 漬物類(椀外) |
バタバタ茶 (蛭谷) | 黒茶、茶花 | ○ | ○ | ○ | ○ | 漬物類(椀外) |
ボテボテ茶 (島根、出雲) | 陰干し茶、茶花 | ○ | ○ | ○ | ○ | 煮豆、冷や飯、漬物など(椀内) |
ボテ茶 (松山) | クコ | ○ | ○ | ○ | ○ | 雑具(椀内) |
もくだ (舘岡) | 鳥足升麻 | ○ | ○ | ○ | × | × |
振茶 (中曽司) | 煎茶(粉) | ○ | ○ | ○ | × | 雑穀(椀内) |
フイ茶 (鹿児島、徳之島) | 番茶 | × | ○ | ○ | ○ | × |
ブクブク茶(沖縄) | サンピン茶他 | ○ | ○ | ○ | ○ | 穀類(椀内) |
やこめ | 番茶 | ○ | × | × | × | 穀類(椀内) |
茶の湯 | 抹茶 | × | ○ | ○ | ○ | 甘味嗜好(椀外) |
尻振り茶 | 番茶 | × | × | × | × | 穀類(椀内) |
紀州茶粥(和歌山) | 番茶 | × | × | × | × | 穀類(椀内) |
碁石茶粥(徳島) | 碁石茶 | ○ | × | × | × | 穀類(椀内) |
- ↑ 第2回国際茶花シンポジウム抄録集、pp.3-5